CN109336908B - 一种头孢唑林内酯的制备方法 - Google Patents
一种头孢唑林内酯的制备方法 Download PDFInfo
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- CN109336908B CN109336908B CN201811325820.2A CN201811325820A CN109336908B CN 109336908 B CN109336908 B CN 109336908B CN 201811325820 A CN201811325820 A CN 201811325820A CN 109336908 B CN109336908 B CN 109336908B
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- CN
- China
- Prior art keywords
- temperature
- cefazolin
- solution
- aca
- lactone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group
- C07D501/34—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group with the 7-amino radical acylated by carboxylic acids containing hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/02—Preparation
- C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
- C07D501/06—Acylation of 7-aminocephalosporanic acid
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811325820.2A CN109336908B (zh) | 2018-11-08 | 2018-11-08 | 一种头孢唑林内酯的制备方法 |
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CN201811325820.2A CN109336908B (zh) | 2018-11-08 | 2018-11-08 | 一种头孢唑林内酯的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN109336908A CN109336908A (zh) | 2019-02-15 |
CN109336908B true CN109336908B (zh) | 2020-05-26 |
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CN201811325820.2A Active CN109336908B (zh) | 2018-11-08 | 2018-11-08 | 一种头孢唑林内酯的制备方法 |
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CN (1) | CN109336908B (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103570745A (zh) * | 2013-10-10 | 2014-02-12 | 哈药集团制药总厂 | 一种盐酸头孢替安内酯的制备方法 |
CN104910188A (zh) * | 2015-05-26 | 2015-09-16 | 齐鲁安替制药有限公司 | 一种头孢唑林酸的合成方法 |
-
2018
- 2018-11-08 CN CN201811325820.2A patent/CN109336908B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103570745A (zh) * | 2013-10-10 | 2014-02-12 | 哈药集团制药总厂 | 一种盐酸头孢替安内酯的制备方法 |
CN104910188A (zh) * | 2015-05-26 | 2015-09-16 | 齐鲁安替制药有限公司 | 一种头孢唑林酸的合成方法 |
Non-Patent Citations (1)
Title |
---|
Determination of Relative Response Factors of Cefazolin Impurities by Quantitative NMR;Shuyu Liu等;《AAPS PharmSciTech》;20170831;第18卷(第6期);第1895-1900页 * |
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CN109336908A (zh) | 2019-02-15 |
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PB01 | Publication | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A preparation method of cefazolin lactone Effective date of registration: 20220629 Granted publication date: 20200526 Pledgee: China CITIC Bank Co.,Ltd. Shijiazhuang Branch Pledgor: HEBEI HEJIA PHARMATECH GROUP CO.,LTD. Registration number: Y2022130000043 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230831 Granted publication date: 20200526 Pledgee: China CITIC Bank Co.,Ltd. Shijiazhuang Branch Pledgor: HEBEI HEJIA PHARMATECH GROUP CO.,LTD. Registration number: Y2022130000043 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A preparation method of cefazolin lactone Effective date of registration: 20230904 Granted publication date: 20200526 Pledgee: China CITIC Bank Co.,Ltd. Shijiazhuang Branch Pledgor: HEBEI HEJIA PHARMATECH GROUP CO.,LTD. Registration number: Y2023980055239 |